Skip to main content
Overstock Sale!
Up to 10% off over 2,000 overstocked items
Click link above to activate discount, web-exclusive discounts show in cart
Click Here to Try out the NEW WCCC Cougar Parts Catalog
Welcome to the NEW WCCC Cougar Parts Catalog
(Click here to tell us what you think)
Our warehouse is closed for New Years Jan 1-4th.
Orders placed after 12PM PST on Tuesday 12/30/2025 may not ship until Monday (1/5/2026).
International Customers Click Here [Updated 6/2025]
true
  • PCV Valve - Breather Element - Repro ~ 1970 - 1973 Mercury Cougar / 1970 - 1973 Ford Mustang - 10666
  • PCV Valve - Breather Element - Repro ~ 1970 - 1973 Mercury Cougar / 1970 - 1973 Ford Mustang - 10666
  • PCV Valve - Breather Element - Repro ~ 1970 - 1973 Mercury Cougar / 1970 - 1973 Ford Mustang - 10666
  • PCV Valve - Breather Element - Repro ~ 1970 - 1973 Mercury Cougar / 1970 - 1973 Ford Mustang - 10666
  • PCV Valve - Breather Element - Repro ~ 1970 - 1973 Mercury Cougar / 1970 - 1973 Ford Mustang - 10666

PCV Valve - Breather Element - Repro ~ 1970 - 1973 Mercury Cougar / 1970 - 1973 Ford Mustang

Item #: 10666
There are no reviews yet Write a review
Cost: 516
Earns: 26
Bonus: 0

New air cleaner breather element for all 1970-73 Mercury Cougar and most all Fords with V-8 engines. This filter fits inside your air cleaner base, a hose connects to the fitting and goes to the PCV valve in the valve cover. Sold as shown, includes cartridge holder, retainer clip and filter.
1970 Mercury Cougar
1971 Mercury Cougar
1972 Mercury Cougar
1973 Mercury Cougar
1970 Ford Mustang
1971 Ford Mustang
1972 Ford Mustang
1973 Ford Mustang

Price: $6.45
    The product is in stock Availability*: In-Stock Item
    Usually leaves warehouse: Next Business Day
    In-Stock Item Quantity: 1
    In-Stock Item - Ships in: Next Business Day

    New air cleaner breather element for all 1970-73 Mercury Cougar and most all Fords with V-8 engines. This filter fits inside your air cleaner base, a hose connects to the fitting and goes to the PCV valve in the valve cover. Sold as shown, includes cartridge holder, retainer clip and filter.


    Shipping Weight:
    0.35 LBS
    (weight shown may be the dimensional weight)
    Shipping Dimensions:
    Number of questions: 0

    Why am I being warned about potential exposure to chemicals in motor vehicle parts?

    • Some chemicals in motor vehicle parts are on the Proposition 65 list because they can cause cancer and/or birth defects or other reproductive harm.
    • When purchasing USED or NOS items, we do not know if listed chemicals are present in these products.
    • This product is known to contain the following listed chemicals:

    Help Improve this Product Listing

    I know it is hard to believe, but sometimes we make mistakes.
    Other times customers have more knowledge about a particular product than we do.
    Again, hard to believe, I know, but it is true.

    We greatly appreciate when customers want to help us make our site better.
    Because of this, we have developed a way for you to easily send suggestioned improvements to us.

    Help us improve this product

    Sign up for our newsletter

    Get to know us     Facebook     Youtube
    © 2026 West Coast Classic Cougar. All Rights Reserved
    Images embedded with "www.classic-cougar.com" or "CougarPartsCatalog.com" may be used as long as they remain unmodified. All images and text are property of West Coast Classic Cougar, unless otherwise noted.